All industries › Battery storage › Texas › Outer Loop BESS
Battery storage · Harris County, Texas
Outer Loop BESS
A 201 MW battery storage project in Harris County, Texas. Outer Loop BESS has asked to connect to the grid or filed for its first approvals; nothing on record yet commits money to it. Public records name Black Mountain Energy Storage II as its developer. No public record read so far names its builder.
The record
What the public record says about Outer Loop BESS, as of 23 Oct 2026.
| Stage | Queued |
|---|---|
| Construction start | Q4 2026 estimate |
| Size | 201 MW |
| Location | Harris County, Texas (to about 10 km) |
| Developer | Black Mountain Energy Storage II |
| Grid operator | ERCOT |
| Builder (EPC) | Not named yet |
| Trade subcontractors | in the app |
| People to call | in the app |
| Phase windows | in the app |
Every fact in the app links to the public record behind it, with how many records agree and whether it is confirmed, reported or an estimate. What the terms mean.
What happened
Each change dated by the scene or the document, newest first.
- Moved from under construction to queued.
Who was named on it, and when, is in the app.
Also developed by Black Mountain Energy Storage II
| Project | Stage | Size |
|---|---|---|
| Goldeneye BESSBattery storage · Bell County, Texas | Financed | 202 MW |
| Picadillo BESSBattery storage · Martin County, Texas | Financed | 101 MW |
| Hana Springs BESSBattery storage · Lampasas County, Texas | Queued | 101 MW |
Also in Harris County
| Project | Stage | Size |
|---|---|---|
| Beacon StorageBattery storage | Under construction | 409 MW |
| Sigma StorageBattery storage | Under construction | 408 MW |
| Callisto II Energy CenterBattery storage | Under construction | 203 MW |
| Kegans BESS (Houston IV BESS)Battery storage | Under construction | 165 MW |
| Pamela Heights IBattery storage | Under construction | 102 MW |
| BRIDGELAND PV SEC 36Utility solar | Under construction | 53 acres |
More
Questions
Outer Loop BESS, in short.
Where is Outer Loop BESS?
Outer Loop BESS is a 201 MW battery storage project in Harris County, Texas, in ERCOT's interconnection queue. The public page places it to within about ten kilometres; the precise location is in the subscriber record.
When does construction start on Outer Loop BESS?
Groundtrace estimates construction starts in the fourth quarter of 2026. This is an estimate from the project's filings, not a date any record states; the exact date and the record behind it are in the subscriber record.
Who is developing Outer Loop BESS?
Black Mountain Energy Storage II, as the public record names it.
Who is building Outer Loop BESS?
No public record read so far names a builder for Outer Loop BESS. Groundtrace leaves the field empty rather than guess, and fills it when a permit, a filing or the builder's own page names one.
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